/Engine/Source/Runtime/AssetRegistry/Public/AssetRegistry/IAssetRegistry.h
Gets asset data for all assets with the supplied tags and values
bool GetAssetsByTagValues ( const [TMultiMap](API\Runtime\Core\Containers\TMultiMap)< [FName](API\Runtime\Core\UObject\FName), [FString](API\Runtime\Core\Containers\FString) > & AssetTagsAndValues, [TArray](API\Runtime\Core\Containers\TArray)< [FAssetData](API\Runtime\CoreUObject\AssetRegistry\FAssetData) > & OutAssetData ) const